The AEM EMS you are trying to find has been Superseded to the new AEM Series 2 EMS - AEM Part# 30-6620. AEM is no longer manufacturing the 30-1622 EMS, but you can still download the AEM Pro software from our forums as well as find instructions and pin outs at the top of this page.
The Series2 30-6620 EMS for your vehicle can be found HERE
The 30-6620 EMS fit the following vehicles:
1993 to 1996 Nissan 240SX Swapped w/SR20 2.0L Turbo
1990 to 1995 Nissan 300ZX 3.0L V6 Twin Turbo
1990 to 1995 Nissan 300ZX 3.0L V6
1992 to 1994 Nissan Maxima 3.0L V6
1989 to 1994 Nissan Skyline RB20DET 2.0L Turbo
1989 to 1998 Nissan Skyline RB26DETT 2.6L Turbo
1994 to 1998 Nissan Skyline R33 RB26DETT 2.6L Turbo